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PROVIDER PROFILE · NPI 1003880071

Donald MarcusM.D.

Internal MedicineSouthampton, PAI
CROSS-REFERENCE

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FACILITY AFFILIATIONS

Hospital & Facility Affiliations (5)

CCN 390027
Hospital
CCN 390097
Hospital
CCN 390115
Hospital
CCN 390204
Hospital
CCN 390258
Hospital
MEDICARE UTILIZATION · PART B · 2024
Total beneficiaries
1,499
Unique beneficiaries
—
Total services
1,840
Distinct HCPCS
10
Medicare payment
$169K
Peer benchmark
Q1
Q2
Q3
Q4
Q5
Total Medicare services vs. 4,434 Internal Medicine providers in PA — top quintile (cohort median 550).
PRESCRIBING · PART D · 2024
Total Rx claims
787
Beneficiaries
—
Total drug cost
$1.5M
Distinct drugs
33
Brand share
65.8%
Top prescribed drugs
Bictegrav/Emtricit/Tenofov Ala95 claims
Abacavir/Dolutegravir/Lamivudi52 claims
Cephalexin51 claims
Ceftriaxone Sodium43 claims
Elviteg/Cob/Emtri/Tenof Alafen42 claims
QUALITY · MIPS · 2024
Final MIPS score
98.5
Quality
86.7
Cost
79.3
Improvement activities
40.0
Promoting interop.
0.0
Payment adjustment
0.99%
Group
INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024
Total received
$560
Payment records
23
By payment type
Food and Beverage$560
REFERRAL NETWORK

Where Donald Marcus's patients come from & go

Directional shared-patient flow from Medicare claims — who sends patients to this provider (inbound) and where this provider's patients go next (outbound). 147 inbound referrers · 277 outbound destinations.

Receives referrals from
Inbound — who sends patients here
PhysicianPatientsVisits
Quest Diagnostics Clinical Laboratories Inc
Clinical Laboratory · Norristown, PA
117872
Divya Sareen
Infectious Disease · Southampton, PA
116360
NAZARETH HOSPITAL102182
Sreethy Saraswathy
Infectious Disease · Southampton, PA
100339
Angela Lawton
Infectious Disease · Southampton, PA
95388
Joseph Kim
Diagnostic Radiology · Hamilton, NJ
84200
Davindra Seelagan
Diagnostic Radiology · Hamilton, NJ
81187
Gustavo Sanchez
Diagnostic Radiology · Hamilton, NJ
76290
Syed Zaidi
Infectious Disease · Southampton, PA
67291
Philip Deibert
Internal Medicine · Langhorne, PA
62222
Richard Scafidi
Diagnostic Radiology · Hamilton, NJ
61118
William Mechanic
Diagnostic Radiology · Hamilton, NJ
60138
Refers patients to
Outbound — where patients go next
PhysicianPatientsVisits
ST MARY MEDICAL CENTER2221,001
Divya Sareen
Infectious Disease · Southampton, PA
116344
Quest Diagnostics Clinical Laboratories Inc
Clinical Laboratory · Norristown, PA
108940
Angela Lawton
Infectious Disease · Southampton, PA
100435
David Trumbore
Infectious Disease · Southampton, PA
93257
MERCY HOME HEALTH86138
NEWTOWN AMERICAN LEGION AMBULANCE SQUAD85206
Syed Zaidi
Infectious Disease · Southampton, PA
84264
Sreethy Saraswathy
Infectious Disease · Southampton, PA
79307
FORMAN, WENDY74179
NAZARETH HOSPITAL64146
Gustavo Sanchez
Diagnostic Radiology · Hamilton, NJ
63175
Source: CMS Physician Shared Patient Patterns (30-day window, Medicare FFS). Direction = a beneficiary seen by the first provider, then the second, within 30 days; a proxy for referral, not a documented referral. Pairs with fewer than 11 shared beneficiaries are suppressed.